Bump google-auth from 2.26.1 to 2.26.2

Bumps [google-auth](https://github.com/googleapis/google-auth-library-python) from 2.26.1 to 2.26.2.
- [Release notes](https://github.com/googleapis/google-auth-library-python/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-python/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-auth-library-python@v2.26.1...v2.26.2)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

setup.py

@@ -28,7 +28,7 @@
     },
     install_requires=[
         "google-api-python-client==2.113.0",
-        "google-auth==2.26.1",
+        "google-auth==2.26.2",
         "google-auth-oauthlib==1.2.0",
         "numpy==1.26.3",
         "tqdm==4.66.1",